Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
Borg Backup - Deduplicating backup program with compression and authenticated encryption
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
BURP - Burp is a network backup and restore program.
Duplicati - Free backup software to store backups online with strong encryption. Works with FTP, SSH, WebDAV, OneDrive, Amazon S3, Google Drive and many others.
Restic - Easy: Doing backups should be a frictionless process, otherwise you are tempted to skip it.